Reewen C. D'Souza-Kamath, M.D.
Internal Medicine Physician · Beaverton, OR
Reewen C. D'Souza-Kamath, M.D. is an internal medicine physician with a practice address in Beaverton, Oregon, and NPI 1831192756, issued on May 24, 2005. Check the license (Oregon MD27052, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Reewen C. D'Souza-Kamath
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD27052 OR
Self-reported in NPPES; status is on the state search - Practice location
- 15950 SW Millikan Way, Beaverton, OR 97006
- Phone
- (503) 646-0161
- Enumerated
- May 24, 2005
- Record last updated
- Nov 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (503) 643-7459
- Medicare enrollment
- Enrolled (PECOS I20080410000234); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 15950 SW Millikan Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maria Cristina Duran, M.D.Family Medicine Physician1710195508
- Marni Foley, MDInternal Medicine Physician1467544502
- Mary Horrall, MDPediatrics Physician1790876274
Verify Reewen C. D'Souza-Kamath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD27052Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average internal medicine physician in 2024
4,967 Medicare Part D claims for 612 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 41 claims were for opioids.
Most prescribed
- Lisinopril359 claims
- Atorvastatin Calcium346 claims
- Amlodipine Besylate312 claims
- Metformin Hcl201 claims
- Levothyroxine Sodium176 claims
- Metoprolol Succinate155 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Portland ClinicBeaverton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Reewen C. D'Souza-Kamath among 2,116 internal medicine physician records in Oregon
Reewen C. D'Souza-Kamath, M.D. is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1996 · median 2008 among the 1,232 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 internal medicine physician records list a practice address in Beaverton
They are 46 of the 3,604 NPPES records with a practice address in Beaverton, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Beaverton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mark Bates, MDBeaverton, OR 970061558453696
- Lawrence Elzinga, MDBeaverton, OR 970061518026962
- Marni Foley, MDBeaverton, OR 970061467544502
- Thomas Gilberts, MDBeaverton, OR 970061841214236
- James Iwaniec, MDHillsboro, OR 970061356427215
- Gary Kim, M.D.Beaverton, OR 970061306820667
- Roger Leverette, MDBeaverton, OR 970061700925054
- David Mihelic, MDAloha, OR 970061053596189
Common questions
What is Reewen C. D'Souza-Kamath, M.D.'s NPI number?
Reewen C. D'Souza-Kamath, M.D.'s National Provider Identifier (NPI) is 1831192756, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Reewen C. D'Souza-Kamath, M.D. located?
The NPPES record lists a practice address at 15950 SW Millikan Way, Beaverton, OR, 97006. Phone: (503) 646-0161. Providers update this record themselves, so call before visiting.
How can I verify Reewen C. D'Souza-Kamath, M.D.'s license?
NPPES lists Oregon license number MD27052, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Reewen C. D'Souza-Kamath, M.D. prescribe under Medicare Part D?
In 2024, Reewen C. D'Souza-Kamath, M.D. had 4,967 Medicare Part D claims for 612 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.